Electrical Machines What is/are the advantages of parallel operation of alternators? continuity supply is maintained Increase efficiency under light load conditions All of these Increase in reliability continuity supply is maintained Increase efficiency under light load conditions All of these Increase in reliability ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f² f1.6 f³ f f² f1.6 f³ f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle synchronous reactance excitation both 1and 2 load angle synchronous reactance excitation both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes twice the initial value 4 time the initial value 1/4 of the intial value 1/2 of the initial value twice the initial value 4 time the initial value 1/4 of the intial value 1/2 of the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is differentially compounded. separately excited. cumulatively compounded. shunt connected. differentially compounded. separately excited. cumulatively compounded. shunt connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve starting torque All of these improve the power factor reduce hunting improve starting torque All of these improve the power factor reduce hunting ANSWER DOWNLOAD EXAMIANS APP
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